CN108869789A - Two-position three way magnetic valve and device for corrosive liquids reverse osmosis treatment device - Google Patents

Two-position three way magnetic valve and device for corrosive liquids reverse osmosis treatment device Download PDF

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Publication number
CN108869789A
CN108869789A CN201810946484.7A CN201810946484A CN108869789A CN 108869789 A CN108869789 A CN 108869789A CN 201810946484 A CN201810946484 A CN 201810946484A CN 108869789 A CN108869789 A CN 108869789A
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CN
China
Prior art keywords
valve
hole
overflow
valve pocket
spool
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CN201810946484.7A
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Chinese (zh)
Inventor
陈大千
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Zhoushan Blue Technology Co Ltd
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Zhoushan Blue Technology Co Ltd
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Priority to CN201810946484.7A priority Critical patent/CN108869789A/en
Publication of CN108869789A publication Critical patent/CN108869789A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • F16K11/0716Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides with fluid passages through the valve member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/10Accessories; Auxiliary operations
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F16K11/105Three-way check or safety valves with two or more closure members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K25/00Details relating to contact between valve members and seats
    • F16K25/005Particular materials for seats or closure elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/04Construction of housing; Use of materials therefor of sliding valves
    • F16K27/041Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603Multiple-way valves
    • F16K31/061Sliding valves
    • F16K31/0613Sliding valves with cylindrical slides
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The present invention provides a kind of two-position three way magnetic valve and the corrosive liquids reverse osmosis treatment device comprising the two-position three way magnetic valve.Two-position three way magnetic valve provided by the invention, including:Valve seat has valve seat inlet, valve seat working hole and valve seat leakage fluid dram;Valve pocket is mounted in valve seat, has inlet opening, working hole and the drainage hole for being arranged in a one-to-one correspondence and being connected to valve seat inlet, valve seat working hole and valve seat leakage fluid dram respectively;Spool is mounted in valve pocket and can move back and forth;And electromagnetic drive component, it is fixed on valve pocket and is connected with spool, for driving spool to move back and forth, wherein, valve pocket is the valve pocket made of any material in aluminium oxide ceramics, zirconia ceramics and silicon carbide ceramics, spool is the spool made of titanium alloy material, and the wall thickness of valve pocket is 3-30mm.The two-position three way magnetic valve further includes level pressure overflow unit, for carrying out level pressure overflow to the concentrated liquid for being transported to valve seat working hole.

Description

Two-position three way magnetic valve and device for corrosive liquids reverse osmosis treatment device
Technical field
The invention belongs to corrosive liquids reverse osmosis treatment device technical fields, and in particular to one kind is used for corrosive liquids The two-position three way magnetic valve of reverse osmosis treatment device and corrosive liquids reverse osmosis treatment comprising the two-position three way magnetic valve Device.
Background technique
Currently, reverse osmosis technology is with its equipment, simple, easy to maintain and EM equipment module advantage becomes at sea water desalination One of mainstream technology of reason.Reverse osmosis treatment device includes round-trip pump, putamina and the reverse osmosis membrane being arranged in the putamina, film It is provided with primary liquid import, light liquid outlet and concentrated liquid outlet on shell, is increased seawater to be processed by pumping back and forth The side for pressing and being delivered to through primary liquid import reverse osmosis membrane is allowing reverse osmosis membrane to force hydrone logical while obstructing impurity It crosses, the fresh water flowed out from light liquid outlet can be obtained;Meanwhile remaining seawater forms concentrated seawater, from same with primary liquid import The concentrated liquid of side exports discharge.
Due to being always maintained at elevated pressures on the seawater side surface of reverse osmosis membrane, partial moisture in seawater is made in pressure It is oozed out to form fresh water output with the lower interstitial void through film, the pressure of the process losses is smaller (about 10% or so), therefore its From the concentrated seawater of concentrated liquid outlet discharge pressure (90% or so of about former sea intake pressure) still with higher.If The high pressure concentrated seawater for carrying big energy is expelled directly out, it will cause a large amount of energy losses (by fresh-water recovery rate 40% calculate, Discharge energy accounts for about the 50%~60% of import energy), increase the energy consumption of counter-infiltration system, causes the cost for obtaining fresh water big Amplitude improves.
In the prior art, it generallys use and the concentrated seawater with pressure is directly flowed back into round-trip pump towards piston rod side It in pump chamber, and then is loaded directly on piston towards on the surface of piston rod, provides auxiliary power for piston to will be received in Former seawater boost output in pump chamber far from piston rod side, process is almost without energy loss, the efficiency that recovers energy It is high.When the pump chamber far from piston rod side needs to suck former seawater to be processed, towards in the pump chamber of piston rod side Concentrated seawater discharge.In order to realize that the concentrated seawater that will be discharged in putamina is transported in round-trip pump and by the concentrated seawater in round-trip pump The automation control of discharge needs to install two position three-way valve between putamina and round-trip pump.
Two position three-way valve is situated between as the important component in sea-water reverse osmose desalt processing device in high pressure, high flow rate, concentration Long-term under the unfavorable conditions such as matter, continuous operation operation, will not only bear high pressure, and the inner wall surface of valve pocket still suffer from it is dense The high pressure of contracting medium, wash away at a high speed and caused by inner wall surface corrode and abrasion.However, the resistance to pressure of existing two position three-way valve Energy and corrosion resistance are poor, not can be used directly sea-water reverse osmose processing unit.
Summary of the invention
It not can be used directly to solve the pressure-resistant and poor corrosion resistance of above-mentioned two position three-way valve in the prior art The problems in sea-water reverse osmose desalt processing device, the purpose of the present invention is to provide one kind to be used for the reverse osmosis place of corrosive liquids Manage the two-position three way magnetic valve of device and the corrosive liquids reverse osmosis treatment device comprising the two-position three way magnetic valve.
In order to solve the above technical problems, present invention employs following technical solutions:
<Scheme one>
The present invention provides a kind of two-position three way magnetic valve for corrosive liquids reverse osmosis treatment device, and feature exists In, including:Valve seat has valve seat inlet, valve seat working hole and valve seat leakage fluid dram;Valve pocket is mounted in valve seat, has difference Inlet opening, working hole and the drainage hole for being arranged in a one-to-one correspondence and being connected to valve seat inlet, valve seat working hole and valve seat leakage fluid dram; Spool is mounted in valve pocket and can move back and forth relative to valve pocket along the axial direction of valve pocket;And electromagnetic drive component, fixation are set It sets on valve pocket and is connected with spool, for driving spool to move back and forth relative to valve pocket, wherein valve pocket is to be made pottery by aluminium oxide Valve pocket made of any material in porcelain, zirconia ceramics and silicon carbide ceramics, spool are the spool made of titanium alloy material, The wall thickness of valve pocket is 3-30mm.
Provided by the present invention for the two-position three way magnetic valve of corrosive liquids reverse osmosis treatment device, there can also be this The feature of sample:Wherein, drainage hole is arranged in the front end of valve pocket, working hole and inlet opening and successively sets from front to back along the axial direction of valve pocket It sets in the side of valve pocket, spool is cylindrical body, which has the side that cylindrical body is arranged in for making working hole and feed liquor Hole connection the first annular recess and be arranged in cylindrical body front end the first axis hole for being connected to the inside of valve pocket With the first radial hole for connecting and being connected to the first axis hole.
Provided by the present invention for the two-position three way magnetic valve of corrosive liquids reverse osmosis treatment device, there can also be this The feature of sample:Wherein, drainage hole is arranged in the front end of valve pocket, inlet opening and working hole and successively sets from front to back along the axial direction of valve pocket It sets and is provided with the second annular recess at the position of inlet opening on the side of valve pocket, the inner wall of valve pocket, spool includes sleeve And it is respectively fixedly disposed at the preceding pellet and rear pellet of the front and rear ends of the sleeve, the rear end of sleeve is provided with and the second ring The flange that shape groove matches, the flange are mounted in the second annular recess and can be relative to second annular recess along valve pocket Axial direction move back and forth, preceding pellet have the second axial hole be connected to for the inside with sleeve and with second axial hole company The second radial hole for connecing and being connected to, rear pellet have the third axial hole being connected to for the inside with sleeve and with the third axis The third radial hole for connecting and being connected to hole.
Provided by the present invention for the two-position three way magnetic valve of corrosive liquids reverse osmosis treatment device, there can also be this The feature of sample:Further include:First return spring, for driving spool return so that after the rear end of flange and the second annular recess End is in contact and then closes inlet opening and working hole, wherein the first return spring installs the front end for being located at the valve pocket in valve pocket Part between the front end of spool, the rear end of flange are provided with flange chamfering, the rear end of the second annular recess be provided with it is convex The groove chamfering that edge chamfering matches.
Provided by the present invention for the two-position three way magnetic valve of corrosive liquids reverse osmosis treatment device, there can also be this The feature of sample:Wherein, drainage hole, working hole and inlet opening are successively set on the side of valve pocket along the axial direction of valve pocket from front to back, Spool includes that spool main body and interval are mounted on the outside of spool main body and corresponding with drainage hole and inlet opening respectively The 4th axial hole of balanced hydraulic is separately provided in first retainer and the second retainer, the first retainer and the second retainer.
Provided by the present invention for the two-position three way magnetic valve of corrosive liquids reverse osmosis treatment device, there can also be this The feature of sample:Wherein, iron core and the second return spring that electromagnetic drive component has plunger tube and is arranged in the plunger tube, The front end of shown iron core connected by the rear end of drive rod and spool, and the second return spring is located at rear end and the iron core of plunger tube Between rear end, for driving spool return so that the wall of the second retainer closes inlet opening and makes the wall and drainage hole point of the first retainer It opens, and then closes off inlet opening with working hole and drainage hole and be connected to working hole with drainage hole.
Provided by the present invention for the two-position three way magnetic valve of corrosive liquids reverse osmosis treatment device, there can also be this The feature of sample:Further include:Level pressure overflow unit, is fixed on valve seat, for exporting from working hole and be transported to valve The concentrated liquid of seat working hole carries out level pressure overflow.
Provided by the present invention for the two-position three way magnetic valve of corrosive liquids reverse osmosis treatment device, there can also be this The feature of sample:Wherein, level pressure overflow unit includes overflow seat, the overflow pipe being fixed on the overflow seat, is arranged and overflows at this Regulation component in flow tube and the cover being arranged on overflow seat, overflow seat have overflow feed liquor for being fixed on valve seat Mouth and overflow leakage fluid dram, overflow inlet are respectively communicated with working hole and valve seat working hole, overflow leakage fluid dram and valve seat drain Mouthful connection, for overflow pipe in vertically arranged, upper end has overflow hole, which is connected to overflow inlet, and regulation component includes Pressure regulation block and at least one pressure regulation block, the bottom of pressure regulation block are provided with the tune to match with the shape of the upper end of overflow pipe Slot is pressed, pressure regulation block is mounted on overflow pipe by the upper end that pressure regulation groove is set in overflow pipe and can be relative to overflow Pipe rises or falls, and pressure regulation block is removably disposed on pressure regulation block, and the cover is removably mounted on overflow seat and covers Overflow pipe and regulation component, for preventing liquid point from splashing.
Provided by the present invention for the two-position three way magnetic valve of corrosive liquids reverse osmosis treatment device, there can also be this The feature of sample:Wherein, the upper surface of overflow pipe includes the circle that rounded plane and small end are connected with the periphery of the plane The lateral surface of the conical surface, overflow pipe is provided with overflow launder, which is arranged along the length direction of overflow pipe, upper in pressure regulation groove End is equipped with the gasket matched with plane.
<Scheme two>
The present invention also provides a kind of corrosive liquids reverse osmosis treatment devices, which is characterized in that including:Two round-trip pumps, For corrosive liquids to be processed to be pressurized to and is alternately carried out conveying, there is the first pump chamber and the second pump chamber;Reverse osmosis Saturating processing unit is separately connected, for carrying out reverse osmosis treatment simultaneously to the corrosive liquids after pressure-increasing unit with two round-trip pumps The concentrated liquid with pressure is discharged, there is primary liquid import and concentrated liquid to export;And two two-position three way magnetic valves, respectively with Two round-trip pumps are arranged in a one-to-one correspondence, wherein and two-position three way magnetic valve is the two-position three way magnetic valve of any one of scheme one, Primary liquid import is connected with the first pump chamber, valve seat inlet and valve seat working hole respectively with concentrated liquid outlet and the second pump chamber phase Connection.
Invention action and effect
The two-position three way magnetic valve and packet of corrosive liquids reverse osmosis treatment device are used for involved according to the present invention Corrosive liquids reverse osmosis treatment device containing the two-position three way magnetic valve, because valve pocket is to be made pottery by aluminium oxide ceramics, zirconium oxide Valve pocket made of any material, spool are the spool made of titanium alloy material, the wall thickness of valve pocket in porcelain and silicon carbide ceramics For 3-30mm, two-position three way magnetic valve is enabled to meet high pressure resistant operating condition and resistance to swiftly flowing high concentration corrosivity simultaneously The requirement of corroded by liquid operating condition can meet the high pressure corrosive liquids counter-infiltration system of 6~15MPa pressure rating well It is required that improving the service life and reliability of counter-infiltration system.
Detailed description of the invention
Fig. 1 is the structural block diagram of corrosive liquids reverse osmosis treatment device in the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of two-position three way magnetic valve in the embodiment of the present invention;
Fig. 3 is the first structural schematic diagram of valve pocket, valve pocket and electromagnetic drive component in the embodiment of the present invention;
Fig. 4 is second of structural schematic diagram of valve pocket in the embodiment of the present invention, spool and electromagnetic drive component;
Fig. 5 is that the third structure of valve pocket, spool and electromagnetic drive component in the embodiment of the present invention is in feed liquor state Schematic diagram;
Fig. 6 is that the third structure of valve pocket, spool and electromagnetic drive component in the embodiment of the present invention is in drain state Schematic diagram;
Fig. 7 is the fit structure schematic diagram of overflow pipe and regulation component in the embodiment of the present invention;And
Fig. 8 be in the embodiment of the present invention overflow pipe along the sectional view of the line A-A of Fig. 7.
Specific embodiment
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with It is fully understood from the purpose of the present invention, feature and effect.
<Embodiment one>
The present embodiment is by taking reverse osmosis seawater desalting as an example, to illustrate design, the tool of corrosive liquids reverse osmosis treatment device Body structure and working principle.
Fig. 1 is the structural block diagram of corrosive liquids reverse osmosis treatment device in the embodiment of the present invention.
As shown in Figure 1, the corrosive liquids reverse osmosis treatment device 100 in the present embodiment, including reverse osmosis treatment unit 10, two round-trip pumps 20 and two two-position three way magnetic valves 30.
As shown in Figure 1, reverse osmosis treatment unit 10 is used to carry out reverse osmosis treatment to corrosive liquids to be processed, have Primary liquid import 11, concentrated liquid outlet 12 and light liquid outlet 13.
As shown in Figure 1, two round-trip pumps 20 are for be pressurized and be alternately delivered to corrosive liquids to be processed In reverse osmosis treatment unit 10.Round-trip pump 20 includes that the pump housing 21, piston 22, piston rod 23 and drive member (are not shown in figure Out).
The pump housing 21 is made of corrosion resistant metallic materials.
Piston 22 is accommodated in the pump housing 21, and the inner space of the pump housing 21 is divided into the first pump chamber 24 and the second pump chamber 25. First pump chamber 24 is connected by inlet valve 26 with primary liquid source, and is connected to by dump valve 27 with primary liquid import 11.
Piston rod 23 is used for band piston 22 and moves back and forth in the pump housing 21, and one end is protruded into second pump housing 24 and and piston 22 are fixedly connected.
Drive member is connected with the other end of piston rod 23, for driving piston rod 23 to act, and then with piston 22 It is moved in the pump housing 21.
Fig. 2 is the structural schematic diagram of two-position three way magnetic valve in the embodiment of the present invention;Fig. 3 is in the embodiment of the present invention The first structural schematic diagram of valve pocket, spool and electromagnetic drive component.
As shown in Figure 1 to Figure 3, two two-position three way magnetic valves 30 are arranged in a one-to-one correspondence with two round-trip pumps 20 respectively, are used In in the second pump chamber 25 that the concentrated liquid with pressure that reverse osmosis units 10 are discharged for control is delivered to corresponding round-trip pump 20 It is moved in the pump housing 21 with auxiliary pushing piston 22.Two-position three way magnetic valve 30 includes valve seat 31, valve pocket 32, spool 33 and electricity Magnetic driving component 34.
As depicted in figs. 1 and 2, valve seat 31 has valve seat inlet 311, valve seat working hole 312 and valve for being fixedly mounted Seat leakage fluid dram 313.
Valve seat inlet 311 is the P mouth in Fig. 1, is connected to the concentrated liquid of reverse osmosis treatment unit 10 outlet 12.
Valve seat working hole 312 is the A mouth in Fig. 1, is connected to the second pump chamber 25 of round-trip pump 20.
Valve seat leakage fluid dram 313 is the T mouth in Fig. 1, is connected to waste collecting device.
The inside of valve seat 31 be additionally provided with respectively with valve seat inlet 311, valve seat working hole 312 and valve seat leakage fluid dram 313 Be arranged in a one-to-one correspondence and be connected to valve seat input duct 314, valve seat service pipe 315, valve seat Drainage pipe 316.
As shown in Figures 2 and 3, valve pocket 32 is mounted in valve seat 31.Valve pocket 32 with good by resistant to chemical etching, resistance to invading The titanium alloy material or ceramic material of corrosion energy are made, the corrosivity and reverse osmosis seawater desalting of the selection view seawater of wall thickness Depending on the pressure requirements grade of processing.In the present embodiment, titanium alloy Ti1, Ti2, Ti3, Ti4, Ti5, Ti6, Ti7, Ti8, Any one in Ti9 and Ti10;Ceramic material is any one in aluminium oxide ceramics, zirconia ceramics and silicon carbide ceramics Person;The wall thickness of valve pocket 32 be 3-30mm, can make valve pocket 32 meet well reverse osmosis seawater desalination system it is resistant to chemical etching, The requirement of resistance to physical erosion and pressure.
Valve pocket 32 has inlet opening 321, working hole 322 and drainage hole 323.
The side of valve pocket 32 is arranged in inlet opening 321, is connected to by valve seat input duct 314 with valve seat inlet 311.
The side of valve pocket 32 is arranged in working hole 322, is connected to by valve seat service pipe 315 with valve seat working hole 312.? In the present embodiment, working hole 322 and inlet opening 321 are set gradually from front to back along the axial direction of valve pocket 32.
The front end of valve pocket 32 is arranged in drainage hole 323, is connected to by valve seat Drainage pipe 316 with valve seat leakage fluid dram 313.
As shown in figure 3, spool 33 is mounted in valve pocket 32, and can be moved back relative to valve pocket 32 along the axial direction of valve pocket 32 It is dynamic.Spool 33 is the cylindrical body made of titanium alloy material, which has the first annular recess 331, first axis hole 332 And first radial hole 333.
The side of cylindrical body is arranged in first annular recess 331, for being connected to working hole 322 with inlet opening 321.
The front end of cylindrical body is arranged in first axis hole 332, and one end with the inside of valve pocket 32 for being connected to.
First radial hole 333 is arranged in the front end of cylindrical body and connect and be connected to the other end in first axis hole 332.
As shown in Figures 2 and 3, electromagnetic drive component 34 is fixed at one end of valve pocket 32, for driving spool 33 to exist Move back and forth in valve pocket 32.Electromagnetic drive component 34 include electromagnetic coil 341, be fixed in electromagnetic coil 341 every magnetic Pipe 342 and it is mounted on the iron core 343 and drive rod that can be moved forward and backward in plunger tube 342 and relative to the isolated tube 342 344, the front and rear ends of drive rod 344 are fixedly connected with the rear end of spool 33 and iron core 342 respectively.
By taking reverse osmosis seawater desalting is handled as an example, the work of the corrosive liquids reverse osmosis treatment device 100 of the present embodiment Process is:
Round-trip pump 20 will be successively pumped into through dump valve 27 and 11 high pressure of primary liquid import to the former seawater of reverse osmosis treatment In reverse osmosis treatment unit 10, under high pressure effect, a part original seawater (10~30%) is formed after penetrating reverse-osmosis membrane element Fresh water is flowed out via light liquid outlet 13;Most original seawater (70~90%) forms the concentrated seawater for having pressure, via dense Liquid outlet 12 flows out and is successively flowed into the valve seat inlet 311 and inlet opening 321 of two-position three way magnetic valve 30.
When the piston 22 of round-trip pump 20 is mobile to 24 direction of the first pump chamber, electromagnetic drive component 34 drives spool 33 forward Hold (end A i.e. shown in Fig. 3) mobile, the first annular recess 331 is connected to inlet opening 321 with working hole 322 and first axis hole 332 close off drainage hole 323 with inlet opening 321 and working hole 322 with the closing of the wall of spool 33, dense in inlet opening 321 Seawater is flowed into the second pump chamber 25 of round-trip pump 20 through the first annular recess 331, working hole 322, and auxiliary piston rod 23 pushes Piston 22 is mobile to 24 direction of the first pump chamber, so that the pressure of the concentrated seawater flowed out from reverse osmosis units 10 is taken full advantage of, it is real The utilization again of concentrated seawater is showed.
When the piston 22 of round-trip pump 20 is mobile to 25 direction of the second pump chamber, electromagnetic drive component 34 drives spool 33 backward Hold (end B i.e. shown in Fig. 3) mobile, the first radial hole 333 is connected to working hole 322 is connected to working hole 322 with drainage hole 323 And first the closing of annular recess 331 and working hole 322 close off inlet opening 321 with working hole 322 and drainage hole 323, the Concentrated seawater in two pump chambers 25 is successively via working hole 312, working hole 322, the first radial hole 333, first axis hole 332, row Fluid apertures 323 and leakage fluid dram 313 are discharged, and so far complete a concentrated seawater and recycle process.
Embodiment action and effect
According to involved in the present embodiment for corrosive liquids reverse osmosis treatment device two-position three way magnetic valve and Corrosive liquids reverse osmosis treatment device comprising the two-position three way magnetic valve, since valve pocket is by aluminium oxide ceramics, zirconium oxide Valve pocket made of any material in ceramics and silicon carbide ceramics, spool are the spool made of titanium alloy material, the wall of valve pocket Thickness is 3-30mm, and two-position three way magnetic valve is enabled to meet high pressure resistant operating condition and resistance to swiftly flowing high concentration corrosion simultaneously The requirement of property corroded by liquid operating condition, can meet the high pressure corrosive liquids counter-infiltration system of 6~15MPa pressure rating well Requirement, improve the service life and reliability of counter-infiltration system.
In addition, due to spool be cylindrical body, the cylindrical body have be arranged in cylindrical body side the first annular recess with And the first radial hole that the first axis hole of the front end of cylindrical body is set and connect and is connected to the first axis hole, institute With the spool in the present embodiment is sliding valve structure, and structure is simple, is conducive to machining, and manufacturing cost is lower.
<Variation one>
This variation is the deformation of embodiment one.Below explanation in, for the identical structure of embodiment one, give identical Symbol and omit identical explanation.
The difference of this variation and embodiment one is:The difference of the specific structure of valve pocket 32 and spool 33.
Fig. 4 is second of structural schematic diagram of valve pocket in the embodiment of the present invention, spool and electromagnetic drive component.
As shown in figure 4, inlet opening 321 and working hole 322 are successively set on valve pocket 32 along the axial direction of valve pocket 32 from front to back Side, be located on the inner wall of valve pocket 32 at the position of inlet opening 321 and be provided with the second ring for connecting and being connected to inlet opening 321 Shape groove 324.The cross section of second annular recess 324 is in rectangle, and fluted chamfering (not shown) is arranged in rear end.
As shown in figure 4, spool 33 includes sleeve 334, preceding pellet 335 and rear pellet 336.
Sleeve 334 is cylindrical, and rear end is provided with the flange 334a to match with the second annular recess 324, the flange 334a is mounted in the second annular recess 324 and can move back relative to second annular recess 324 along the axial direction of valve pocket 32 It is dynamic.The rear end of flange 334a is provided with the flange chamfering to match with the groove chamfering of the second annular recess 324 and (does not show in figure Out), to guarantee the sealing effect between flange 334a and the second annular recess 324.
Preceding pellet 335 is fixed at the front end of sleeve 334, has the second axis for being connected to the inside of sleeve 334 To hole 335a and the second radial hole 335b for connecting and being connected to second axial hole 335a.The shape of the front end of preceding pellet 335 Shape is that semicircle is spherical, and the inner end of drainage hole 323 has the groove to match with the semi-circular shaped front nose of preceding pellet 335.
Pellet 336 is fixed at the rear end of sleeve 334 afterwards, has the third axis for being connected to the inside of sleeve 334 To the hole 336a and third radial hole 336b for connecting and being connected to third axial hole 336a.Pellet 336 and drive rod 343 afterwards Be integrally formed connection.
As shown in figure 4, the part in valve pocket 32 between the front end of the valve pocket 32 and the front end of spool 33 is also equipped with First return spring 36, for driving 33 return of spool that the rear end of flange 334a and the rear end of the second annular recess 324 is made to connect Touch and then make inlet opening 321 and working hole 322 to close.
In the course of work of the corrosive liquids reverse osmosis treatment device 100 of this variation:
When the piston 22 of round-trip pump 20 is mobile to 24 direction of the first pump chamber, electromagnetic drive component 34 drives spool 33 forward Hold (end A i.e. shown in Fig. 4) mobile, the rear end of flange 334a and the rear end of the second annular recess 324 separate, and make inlet opening 321 It is connected to working hole 322 and the front end of preceding pellet 335 and drainage hole 323 is closed, make drainage hole 323 and inlet opening 321 and work Hole 322 closes off, and the concentrated seawater in inlet opening 321 is flowed into round-trip pump 20 through the second annular recess 324, working hole 322 In second pump chamber 25, auxiliary piston rod 23 pushes piston 22 mobile to 24 direction 22 of the first pump chamber.
When the piston of round-trip pump 20 is mobile to 25 direction of the second pump chamber, electromagnetic drive component 34 is closed, and spool 33 is the (end B i.e. shown in Fig. 4) is mobile to the back-end under the rebound effect of one return spring 36, and the rear end of flange 334a is cyclic annular with second The rear end in contact closing of groove 324 closes off inlet opening 321 and working hole 322 and drainage hole 323 and before preceding pellet 335 End is connected to drainage hole 323 with working hole 322 with drainage hole 323, and the concentrated seawater in the second pump chamber 25 is successively via work Mouth 312, working hole 322, third radial hole 336b, third axial hole 336a, sleeve 334, the second axial hole 335a, the second radial direction Hole 335b, drainage hole 323 and leakage fluid dram 313 are discharged.
In this variation, the second annular recess, valve are provided at the position due to being located at inlet opening on the inner wall of valve pocket Core include sleeve and be respectively fixedly disposed at the sleeve front and rear ends preceding pellet and rear pellet, sleeve rear end setting There is the flange to match with the second annular recess, which is mounted in the second annular recess and can be relative to second ring-type Groove moves back and forth along the axial direction of valve pocket, preceding pellet have the second axial hole being connected to for the inside with sleeve and with this Second radial hole of the connection of two axial holes and connection, rear pellet have the third axial hole being connected to for the inside with sleeve and The third radial hole for connecting and being connected to the third axial hole, so, the spool of this variation is poppet valve arrangements, has valve port The advantages that sealing effect is good, long service life.
<Variation two>
This variation is the deformation of embodiment one.Below explanation in, for the identical structure of embodiment one, give identical Symbol and omit identical explanation.
The difference of this variation and embodiment one is:The specific structure of valve pocket 32, spool 33 and electromagnetic drive component 34 Difference.
Fig. 5 is that the third structure of valve pocket, spool and electromagnetic drive component in the embodiment of the present invention is in feed liquor state Schematic diagram;Fig. 6 is that the third structure of valve pocket, spool and electromagnetic drive component in the embodiment of the present invention is in drain state Schematic diagram;
As shown in Figure 5 and Figure 6, drainage hole 323, working hole 322 and inlet opening 321 along valve pocket 32 axial direction from front to back according to The secondary side that valve pocket 32 is set.
As shown in Figure 5 and Figure 6, spool 33 includes that spool main body 337 and interval are mounted on the outside of spool main body 337 And first retainer 338 corresponding with drainage hole 323 and inlet opening 321 and the second retainer 339 respectively.It is set in first retainer 338 It is equipped with the 4th axial hole 338a, is provided with the 4th axial hole 339a in the second retainer 339, is respectively used to the first retainer 338 of balance Two sides and the second retainer 339 two sides pressure, and eliminate the first liquid between the first retainer 338 and the front bulkhead of valve pocket 32 The second sap cavity 326 between chamber 325 (as shown in Figure 5) and the second retainer 339 and the rear dilapidated walls of valve pocket 32 it is (as shown in Figure 6) go out The possibility of existing vacuum, to promote the response speed of solenoid valve.
As shown in Figure 5 and Figure 6, electromagnetic drive component 34 further includes the second return spring 345, second return spring 345 It is mounted in plunger tube 342 and is located between the rear end of plunger tube 342 and the rear end of iron core 343, for driving 33 return of spool So that the wall of the second retainer 339 closes inlet opening 321 and separates the wall of the first retainer 338 and drainage hole 323, and then make feed liquor Hole 321 closes off with working hole 322 and drainage hole 323 and is connected to working hole 322 with drainage hole 323.
As shown in Figure 5 and Figure 6, in the course of work of the corrosive liquids reverse osmosis treatment device 100 of this variation:
When the piston 22 of round-trip pump 20 is mobile to 24 direction of the first pump chamber, electromagnetic drive component 34 drives spool 33 backward Hold (end B i.e. shown in fig. 5) mobile, the front end of the wall of the second retainer 339 and front end of inlet opening 321 separates and the first retainer 338 wall closes drainage hole, so that fluid apertures 321 is connected to working hole 322 and drainage hole 323 and inlet opening 321 and work Make hole 322 to close off, at this point, the concentrated seawater in inlet opening 321 is through the sap cavity between the second retainer 339 and the first retainer 338 And working hole 322 is flowed into the second pump chamber 25 of round-trip pump 20, auxiliary piston rod 23 pushes piston 22 to the first pump chamber 24 Direction 22 is mobile.
When the piston of round-trip pump 20 is mobile to 25 direction of the second pump chamber, electromagnetic drive component 34 is closed, and spool 33 is the Forward end (end A i.e. shown in fig. 6) is mobile under the rebound effect of two return springs 345, the rear end of the wall of the first retainer 338 with The rear end of drainage hole 323 separates and the wall of the second retainer 339 closes inlet opening 321, so that drainage hole 323 and working hole 322 connections and inlet opening 321 are closed off with working hole 322 and drainage hole 323, and the concentrated seawater in the second pump chamber 25 successively passes through By sap cavity, drainage hole 323 and the leakage fluid dram between working hole 312, working hole 322, the second retainer 339 and the first retainer 338 313 discharges.
In this variation, the axial direction due to drainage hole, working hole and inlet opening along valve pocket is successively set on from front to back The side of valve pocket, spool include spool main body and interval be mounted on the outside of spool main body and respectively with drainage hole and feed liquor Corresponding first retainer in hole and the second retainer, so, the spool of this variation is that retainer formula leads directly to valve arrangement, has structure letter The advantages that list, long service life.
<Embodiment two>
In the present embodiment, for identical structure in embodiment one, variation one and variation two, give identical Symbol simultaneously omits relevant explanation.
As shown in Fig. 2, in the present embodiment, two-position three way magnetic valve 30 further includes level pressure overflow unit 35.Valve seat 31 Inside is additionally provided with overflow input duct 317 and overflow Drainage pipe 318.One end of overflow input duct 317 and valve seat work Make the connection of pipeline 315, and then is respectively communicated with working hole 322 and valve seat working hole 312.One end of overflow Drainage pipe 318 It is connected to valve seat Drainage pipe 316, and then is connected to valve seat leakage fluid dram 313.
As shown in Fig. 2, level pressure overflow unit 35 is fixed on valve seat 31, for exporting simultaneously quilt to from working hole 322 The concentrated liquid with pressure for being transported to valve seat working hole 312 carries out level pressure overflow.Level pressure overflow unit 35 includes overflow seat 351, overflow pipe 352, regulation component 353 and housing 354.
As shown in Fig. 2, overflow seat 351 is fixed on valve seat 31, there is overflow inlet 351a and overflow drain Mouth 351b.
Overflow inlet 351a is connected to the other end of overflow input duct 317.
Overflow leakage fluid dram 351b is connected to the other end of overflow Drainage pipe 318.
Fig. 7 is the fit structure schematic diagram of overflow pipe and regulation component in the embodiment of the present invention.
As shown in Figure 2 and Figure 7, overflow pipe 352 is in vertically arranged and is fixedly mounted on overflow seat 351.In the present embodiment In, overflow pipe 352 is in cylindrical, and is integrally formed and is made with overflow seat 351.
As shown in fig. 7, the upper surface of overflow pipe 352 includes circular plane 352a and circular conical surface 352b, circular conical surface 352b has small end and big end, and small end is connected with the periphery of plane 352a, and big end is connected with the side of overflow pipe 352.This The upper end surface structure of sample reduces the gasket 353e in the upper surface of overflow pipe 352 and the pressure regulation groove 353 of pressure regulation block 353a Between contact area, improve the pressure of regulation component 353, guarantee good seal.
352 upper end of overflow pipe has the overflow hole 352c being connected to overflow inlet 351a, the aperture of overflow port 352c Calculation formula it is as follows:
Setting:The radius of overflow hole 352c is R (mm) (can select within the scope of 0.2-1mm), the weight of regulation component 353 It (can be selected within the scope of 1-5kg) for G (kg), pipeline pressure is P (kg/cm2), then:The radius calculation formula of overflow hole 352c For:G=P × π R2, i.e. R2=G/ π P.
Fig. 8 be in the embodiment of the present invention overflow pipe along the sectional view of the line A-A of Fig. 7.
As shown in figure 8, the lateral surface of overflow pipe 352 is provided with overflow launder 352d along axial direction, when pressure is overproof, liquid can edge Overflow launder 352d is smoothly discharged.
As shown in Figure 2 and Figure 7, regulation component 353 includes pressure regulation block 353a and at least one pressure regulation block 353b.
As shown in Figure 2 and Figure 7, the bottom of pressure regulation block 353a is provided with pressure regulation groove 353c, and pressure regulation block 353a passes through Pressure regulation groove 353c is set in the upper end of overflow pipe 352 and is mounted on overflow pipe 352 and can rise relative to overflow pipe 352 Or decline.
As shown in fig. 7, pressure regulation groove 353c has the cylindrical side wall to match with the size of 352 upper end of overflow pipe Upper end in 353d, pressure regulation concave groove 353c is equipped with gasket 353e, to guarantee the upper end of pressure regulation block 353a Yu overflow pipe 352 There is good leakproofness between the plane 352a in face.In the present embodiment, gasket 353e is by silicon rubber or polytetrafluoroethylene material It is made.
As shown in Figure 2 and Figure 7, at least one pressure regulation block 353b is removably disposed on pressure regulation block 353a, can basis Actual pressure needs, and increases or decreases the number of pressure regulation block 353b.
As shown in Fig. 2, the cover 354 is removably mounted on overflow seat 351 and covers overflow pipe 352 and regulation component 353, for preventing liquid point from splashing.
Embodiment action and effect
Compared with embodiment one and its variation one and variation two, the two-position three way magnetic valve in the present embodiment further includes Level pressure overflow unit, the level pressure overflow unit are connected to valve seat service pipe and then divide with valve pocket working hole and valve seat working hole It is not connected to, the concentrated liquid with pressure that exported from reverse osmosis treatment unit can be subjected to level pressure before entering round-trip pump and overflow Stream, so that the pressure for the concentrated liquid being transported in the second pump chamber pumped back and forth is constant, so that the driving force of piston is kept It is constant, it avoids and has just started but reverse osmosis treatment unit caused reverse osmosis when not yet infiltration handles out light liquid in counter-infiltration system The hypertonia of the concentrated liquid of saturating processing unit output, keeps the driving force of the piston pumped back and forth excessive, so that being transported to anti- The pressure of the primary liquid of infiltration processing unit is excessive and causes reverse osmosis membrane breakdown, causes the damage of reverse osmosis membrane.
Further, because level pressure overflow unit includes overflow seat, the overflow pipe being fixed on the overflow seat and sets Set the regulation component on the overflow pipe, for overflow pipe in vertically arranged, regulation component component has pressure regulation block and at least one A pressure regulation block, the bottom of pressure regulation block are provided with the pressure regulation groove to match with the shape of the upper end of overflow pipe, and pressure regulation block is logical Toning indentation slot is set in the upper end of overflow pipe and is mounted on overflow pipe and can rise or fall relative to overflow pipe, and Pressure regulation block is removably disposed on pressure regulation block, so, the structure of level pressure overflow unit is simple, easy to adjust.
It will be appreciated by those skilled in the art that above-described embodiment is preferred case of the invention, it is the skill for this field Art personnel are understood that this patent intention to be expressed, rather than limit the scope of protection of the present invention.

Claims (10)

1. a kind of two-position three way magnetic valve for corrosive liquids reverse osmosis treatment device, which is characterized in that including:
Valve seat has valve seat inlet, valve seat working hole and valve seat leakage fluid dram;
Valve pocket is mounted in the valve seat, is had and is arranged respectively with the valve seat inlet, the valve seat working hole and the valve seat Inlet opening, working hole and the drainage hole that liquid mouth is arranged in a one-to-one correspondence and is connected to;
Spool is mounted in the valve pocket and can move back and forth relative to the valve pocket along the axial direction of the valve pocket;And
Electromagnetic drive component is fixed on the valve pocket and connects with the spool, for drive the spool relative to The valve pocket moves back and forth,
Wherein, the valve pocket is the valve pocket made of any material in aluminium oxide ceramics, zirconia ceramics and silicon carbide ceramics,
The spool is the spool made of titanium alloy material,
The wall thickness of the valve pocket is 3-30mm.
2. the two-position three way magnetic valve according to claim 1 for corrosive liquids reverse osmosis treatment device, feature It is:
Wherein, the front end of the valve pocket is arranged in the drainage hole,
The working hole and the inlet opening are successively set on the side of the valve pocket along the axial direction of the valve pocket from front to back Portion,
The spool is cylindrical body, which, which has, is arranged in the side of the cylindrical body for making the working hole and described First annular recess of inlet opening connection and be arranged in the cylindrical body front end for being connected to the inside of the valve pocket First axis hole and the first radial hole for connecting and be connected to first axis hole described in this.
3. the two-position three way magnetic valve according to claim 1 for corrosive liquids reverse osmosis treatment device, feature It is:
Wherein, the front end of the valve pocket is arranged in the drainage hole,
The inlet opening and the working hole are successively set on the side of the valve pocket along the axial direction of the valve pocket from front to back,
It is provided with the second annular recess at the position of the inlet opening on the inner wall of the valve pocket,
The spool include sleeve and be respectively fixedly disposed at the sleeve front and rear ends preceding pellet and rear pellet,
The rear end of the sleeve is provided with the flange to match with second annular recess, which is mounted on second ring It can move back and forth in shape groove and relative to second annular recess along the axial direction of the valve pocket,
The preceding pellet has for connecting with the second axial hole of the inside of sleeve connection and with second axial hole And the second radial hole of connection,
Pellet has for connecting with the third axial hole of the inside of sleeve connection and with the third axial hole after described And the third radial hole of connection.
4. the two-position three way magnetic valve according to claim 3 for corrosive liquids reverse osmosis treatment device, feature It is, further includes:
First return spring, for driving the spool return so that after the rear end of the flange and second annular recess End is in contact, and then closes the inlet opening and the working hole,
Wherein, first return spring is installed in the valve pocket between the front end of the valve pocket and the front end of the spool Part,
The rear end of the flange is provided with flange chamfering,
The rear end of second annular recess is provided with the groove chamfering to match with the flange chamfering.
5. the two-position three way magnetic valve according to claim 1 for corrosive liquids reverse osmosis treatment device, feature It is:
Wherein, the drainage hole, the working hole and the inlet opening are successively set on from front to back along the axial direction of the valve pocket The side of the valve pocket,
The spool include spool main body and interval be mounted on the outside of the spool main body and respectively with the drainage hole The first retainer corresponding with the inlet opening and the second retainer,
The 4th axial hole of balanced hydraulic is separately provided in first retainer and second retainer.
6. the two-position three way magnetic valve according to claim 5 for corrosive liquids reverse osmosis treatment device, feature It is:
Wherein, iron core and the second return spring that the electromagnetic drive component has plunger tube and is arranged in the plunger tube,
The front end of shown iron core is connect by drive rod with the rear end of the spool,
Second return spring is located between the rear end of the plunger tube and the rear end of the iron core, for driving the spool Return so that the wall of second retainer closes the inlet opening and separates the wall of first retainer and the drainage hole, into And it closes off the inlet opening with the working hole and the drainage hole and is connected to the working hole with the drainage hole.
7. the two-position three way magnetic valve according to claim 1 for corrosive liquids reverse osmosis treatment device, feature It is, further includes:
Level pressure overflow unit is fixed on the valve seat, for exporting from the working hole and be transported to the valve The concentrated liquid of seat working hole carries out level pressure overflow.
8. the two-position three way magnetic valve according to claim 7 for corrosive liquids reverse osmosis treatment device, feature It is:
Wherein, the level pressure overflow unit includes overflow seat, the overflow pipe being fixed on the overflow seat, is arranged in the overflow Regulation component on pipe and the cover being arranged on the overflow seat,
The overflow seat has overflow inlet and overflow leakage fluid dram, the overflow feed liquor for being fixed on the valve seat Mouth is respectively communicated with the working hole and the valve seat working hole, and the overflow leakage fluid dram is connected to the valve seat leakage fluid dram,
For the overflow pipe in vertically arranged, upper end has overflow hole, which is connected to the overflow inlet,
The regulation component includes pressure regulation block and at least one pressure regulation block,
The bottom of the pressure regulation block is provided with the pressure regulation groove to match with the shape of the upper end of the overflow pipe,
The pressure regulation block be mounted on the overflow pipe by the upper end that the pressure regulation groove is set in the overflow pipe and It can be risen or fallen relative to the overflow pipe,
The pressure regulation block is removably disposed on the pressure regulation block,
The cover is removably mounted on the overflow seat and covers the overflow pipe and the regulation component, for preventing Only the liquid point splashes.
9. the two-position three way magnetic valve according to claim 8 for corrosive liquids reverse osmosis treatment device, feature It is:
Wherein, the upper surface of the overflow pipe includes the circular cone that rounded plane and small end are connected with the periphery of the plane The lateral surface in face, the overflow pipe is provided with overflow launder, which is arranged along the length direction of the overflow pipe,
Upper end in the pressure regulation groove is equipped with the gasket matched with the plane.
10. a kind of corrosive liquids reverse osmosis treatment device, which is characterized in that including:
Two round-trip pumps, for corrosive liquids to be processed to be pressurized to and is alternately carried out conveying, are respectively provided with first Pump chamber and the second pump chamber;
Reverse osmosis treatment unit is separately connected, for the corrosive liquids after pressure-increasing unit with two round-trip pumps It carries out reverse osmosis treatment and the concentrated liquid with pressure is discharged, there is primary liquid import and concentrated liquid to export;And
Two two-position three way magnetic valves are arranged in a one-to-one correspondence with two round-trip pumps respectively,
Wherein, the two-position three way magnetic valve is two-position three way magnetic valve described in any one of claim 1 to 9,
The primary liquid import is connected with first pump chamber,
The valve seat inlet and the valve seat working hole are connected with concentrated liquid outlet and second pump chamber respectively.
CN201810946484.7A 2018-08-20 2018-08-20 Two-position three way magnetic valve and device for corrosive liquids reverse osmosis treatment device Pending CN108869789A (en)

Priority Applications (1)

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CN201810946484.7A CN108869789A (en) 2018-08-20 2018-08-20 Two-position three way magnetic valve and device for corrosive liquids reverse osmosis treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810946484.7A CN108869789A (en) 2018-08-20 2018-08-20 Two-position three way magnetic valve and device for corrosive liquids reverse osmosis treatment device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109114289A (en) * 2017-06-26 2019-01-01 株式会社不二工机 Guide electromagnetic valve
CN110285234A (en) * 2019-05-31 2019-09-27 余姚市三力信电磁阀有限公司 A kind of pressure balance type two-position three way magnetic valve

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JPH0960741A (en) * 1995-08-25 1997-03-04 Nippon Furnace Kogyo Kaisha Ltd Switch-over valve for high temperature gas
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CN1886186A (en) * 2003-11-05 2006-12-27 科学工业研究委员会 Improved device for concentrating the aqueous solution and a process thereof
CN102381799A (en) * 2010-08-27 2012-03-21 曼弗雷德·弗尔克尔 Reverse osmosis device
CN106337958A (en) * 2016-08-25 2017-01-18 宁波长壁流体动力科技有限公司 Corrosion-resistant reversing valve
CN208703182U (en) * 2018-08-20 2019-04-05 舟山青兰科技有限公司 Two-position three way magnetic valve and device for corrosive liquids reverse osmosis treatment device

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Publication number Priority date Publication date Assignee Title
JPH0960741A (en) * 1995-08-25 1997-03-04 Nippon Furnace Kogyo Kaisha Ltd Switch-over valve for high temperature gas
US20040173528A1 (en) * 1999-05-25 2004-09-09 Miox Corporation Pumps for filtration systems
CN1886186A (en) * 2003-11-05 2006-12-27 科学工业研究委员会 Improved device for concentrating the aqueous solution and a process thereof
JP2006132721A (en) * 2004-11-09 2006-05-25 Ckd Corp Opening and closing valve
CN102381799A (en) * 2010-08-27 2012-03-21 曼弗雷德·弗尔克尔 Reverse osmosis device
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Publication number Priority date Publication date Assignee Title
CN109114289A (en) * 2017-06-26 2019-01-01 株式会社不二工机 Guide electromagnetic valve
CN109114289B (en) * 2017-06-26 2022-06-17 株式会社不二工机 Pilot-operated electromagnetic valve
CN110285234A (en) * 2019-05-31 2019-09-27 余姚市三力信电磁阀有限公司 A kind of pressure balance type two-position three way magnetic valve
CN110285234B (en) * 2019-05-31 2024-02-02 余姚市三力信电磁阀有限公司 Pressure balance type two-position three-way electromagnetic valve

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